World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
104
Citations
55194
World Ranking
327
National Ranking
149

Medicine

D-Index
104
Citations
55210
World Ranking
6922
National Ranking
3649

Overview

Helio S. Sader is affiliated with JMI Laboratories in the United States and has a research focus primarily centered on microbiology, infectious diseases, and antimicrobial resistance. Their work spans multiple interconnected disciplines within biochemistry, genetics, molecular biology, and medicine.

Their research contributions include studies addressing antibiotic resistance in bacteria, antibiotics pharmacokinetics and efficacy, and bacterial identification and susceptibility testing. These topics also encompass antimicrobial resistance in Staphylococcus, urinary tract infections management, and pharmaceutical and antibiotic environmental impacts.

Key publication venues where Helio S. Sader's work has appeared consist of:

  • Open Forum Infectious Diseases
  • Antimicrobial Agents and Chemotherapy
  • Diagnostic Microbiology and Infectious Disease
  • Journal of Antimicrobial Chemotherapy
  • JAC-Antimicrobial Resistance

Their research papers from recent years highlight investigations of antibacterial agents and clinical isolates. Representative publications include:

  • "Aztreonam/avibactam activity against clinical isolates of Enterobacterales collected in Europe, Asia and Latin America in 2019" (2020), Journal of Antimicrobial Chemotherapy
  • "Changing Epidemiology of Carbapenemases Among Carbapenem-Resistant Enterobacterales From United States Hospitals and the Activity of Aztreonam-Avibactam Against Contemporary Enterobacterales (2019-2021)" (2023), Open Forum Infectious Diseases
  • "Antimicrobial susceptibility of Gram-negative bacteria from intensive care unit and non-intensive care unit patients from United States hospitals (2018-2020)" (2021), Diagnostic Microbiology and Infectious Disease

Frequent collaborators in their work include:

  • Mariana Castanheira
  • Rodrigo E. Mendes
  • Cecília G Carvalhaes
  • Timothy B Doyle
  • Jennifer M Streit

Their research covers core subfields such as molecular medicine, pharmacology, applied microbiology and biotechnology, infectious diseases, and clinical biochemistry.

The number of publications across these areas indicates an extensive engagement in topics related to antibiotic resistance mechanisms, susceptibility testing methodologies, and clinical microbiology evaluations. Their work addresses both the epidemiology and pharmacological characteristics of antimicrobial agents used in clinical practice.

Best Publications

  • Global burden of bacterial antimicrobial resistance in 2019: a systematic analysis

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  • International surveillance of bloodstream infections due to Candida species: frequency of occurrence and in vitro susceptibilities to fluconazole, ravuconazole, and voriconazole of isolates collected from 1997 through 1999 in the SENTRY antimicrobial surveillance program.

    M. A. Pfaller;D. J. Diekema;R. N. Jones;H. S. Sader

  • Emerging Importance of Multidrug-Resistant Acinetobacter Species and Stenotrophomonas maltophilia as Pathogens in Seriously Ill Patients: Geographic Patterns, Epidemiological Features, and Trends in the SENTRY Antimicrobial Surveillance Program (1997–1999)

    Ana Cristina Gales;Ana Cristina Gales;R. N. Jones;K. R. Forward;J. Linares

  • The Microbiology of Bloodstream Infection: 20-Year Trends from the SENTRY Antimicrobial Surveillance Program

    Daniel J. Diekema;Po Ren Hsueh;Rodrigo E. Mendes;Michael A. Pfaller

  • Bloodstream Infections Due to Candida Species: SENTRY Antimicrobial Surveillance Program in North America and Latin America, 1997-1998

    Pfaller;R N Jones;G V Doern;H S Sader

  • Antimicrobial resistance among Gram-negative bacilli isolated from Latin America: results from SENTRY Antimicrobial Surveillance Program (Latin America, 2008-2010).

    Ana C. Gales;Mariana Castanheira;Ronald N. Jones;Hélio S. Sader

  • Survey of bloodstream infections due to gram-negative bacilli: frequency of occurrence and antimicrobial susceptibility of isolates collected in the United States, Canada, and Latin America for the SENTRY Antimicrobial Surveillance Program, 1997.

    D. J. Diekema;M. A. Pfaller;R. N. Jones;G. V. Doern

  • Contemporary activity of colistin and polymyxin B against a worldwide collection of Gram-negative pathogens: results from the SENTRY Antimicrobial Surveillance Program (2006–09)

    Ana C Gales;Ronald N Jones;Hélio S Sader

  • Global assessment of the antimicrobial activity of polymyxin B against 54 731 clinical isolates of Gram-negative bacilli: report from the SENTRY antimicrobial surveillance programme (2001–2004)

    A.C. Gales;R.N. Jones;H.S. Sader

  • International Surveillance of Bloodstream Infections Due to Candida Species: Frequency of Occurrence and Antifungal Susceptibilities of Isolates Collected in 1997 in the United States, Canada, and South America for the SENTRY Program

    M. A. Pfaller;R. N. Jones;G. V. Doern;H. S. Sader

  • International surveillance of blood stream infections due to Candida species in the European SENTRY program: species distribution and antifungal susceptibility including the investigational triazole and echinocandin agents

    M.A Pfaller;R.N Jones;G.V Doern;A.C Fluit

  • Antimicrobial Susceptibility and Epidemiology of a Worldwide Collection of Chryseobacterium spp.: Report from the SENTRY Antimicrobial Surveillance Program (1997-2001)

    Jeffrey T. Kirby;Helio S. Sader;Timothy R. Walsh;Ronald N. Jones

  • Dissemination in distinct Brazilian regions of an epidemic carbapenem-resistant Pseudomonas aeruginosa producing SPM metallo-β-lactamase

    Ana C. Gales;Liana C. Menezes;Suzane Silbert;Hélio S. Sader

  • Survey of blood stream infections attributable to gram-positive cocci: frequency of occurrence and antimicrobial susceptibility of isolates collected in 1997 in the United States, Canada, and Latin America from the SENTRY antimicrobial surveillance program

    M.A Pfaller;R.N Jones;G.V Doern;H.S Sader

  • Antimicrobial susceptibility of Gram-negative organisms isolated from patients hospitalised with pneumonia in US and European hospitals: Results from the SENTRY Antimicrobial Surveillance Program, 2009–2012

    Helio S. Sader;David J. Farrell;Robert K. Flamm;Ronald N. Jones

  • Antimicrobial susceptibility of Gram-negative organisms isolated from patients hospitalized in intensive care units in United States and European hospitals (2009-2011).

    Helio S. Sader;David J. Farrell;Robert K. Flamm;Ronald N. Jones

  • Screening of antibacterial extracts from plants native to the Brazilian Amazon Rain Forest and Atlantic Forest

    I.B. Suffredini;H.S. Sader;A.G. Gonçalves;A.O. Reis

  • Antimicrobial Activity of Ceftolozane-Tazobactam Tested against Enterobacteriaceae and Pseudomonas aeruginosa with Various Resistance Patterns Isolated in U.S. Hospitals (2011-2012)

    David J. Farrell;Robert K. Flamm;Helio S. Sader;Ronald N. Jones

  • Assessment of pathogen occurrences and resistance profiles among infected patients in the intensive care unit: report from the SENTRY Antimicrobial Surveillance Program (North America, 2001).

    Jennifer M Streit;Ronald N Jones;Helio S Sader;Thomas R Fritsche

  • Urinary tract infection trends in Latin American hospitals: report from the SENTRY antimicrobial surveillance program (1997-2000).

    Ana C. Gales;Ana C. Gales;Helio S. Sader;Ronald N. Jones

  • Pathogen frequency and resistance patterns in Brazilian hospitals: summary of results from three years of the SENTRY Antimicrobial Surveillance Program.

    Helio S. Sader;Ana C. Gales;Michael A. Pfaller;Rodrigo E. Mendes

Frequent Co-Authors

Ronald N. Jones
Ronald N. Jones JMI Laboratories
Robert K. Flamm
Robert K. Flamm JMI Laboratories
Rodrigo E. Mendes
Rodrigo E. Mendes JMI Laboratories
Mariana Castanheira
Mariana Castanheira JMI Laboratories
David J. Farrell
David J. Farrell University Hospital Southampton NHS Foundation Trust
Thomas R. Fritsche
Thomas R. Fritsche Marshfield Clinic
Ana C. Gales
Ana C. Gales Federal University of Sao Paulo
Michael A. Pfaller
Michael A. Pfaller JMI Laboratories
Paul R. Rhomberg
Paul R. Rhomberg University of Iowa

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